/*
 *  Copyright 2004 Blandware (http://www.blandware.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.blandware.atleap.webapp.action.core.contentLocale;

import com.blandware.atleap.persistence.exception.DeleteException;
import com.blandware.atleap.search.SearchManager;
import com.blandware.atleap.service.exception.BeanNotFoundException;
import com.blandware.atleap.webapp.action.core.BaseAction;
import com.blandware.atleap.webapp.form.core.ContentLocaleForm;
import com.blandware.atleap.webapp.util.core.CacheUtil;
import com.blandware.atleap.webapp.util.core.LocaleUtil;
import org.apache.commons.validator.GenericValidator;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * <p>Deletes content locale
 * </p>
 * <p><a href="DeleteContentLocaleAction.java.html"><i>View Source</i></a></p>
 * <p/>
 *
 * @author Sergey Zubtsovskiy <a href="mailto:sergey.zubtsovskiy@blandware.com">&lt;sergey.zubtsovskiy@blandware.com&gt;</a>
 * @version $Revision: 1.30 $ $Date: 2008/04/29 17:48:05 $
 * @struts.action path="/core/contentLocale/delete"
 * name="contentLocaleForm"
 * input="inputForward"
 * scope="request"
 * validate="false"
 * roles="core-contentLocale-delete"
 * @struts.action-forward name="listContentLocales"
 * path="/core/contentLocale/list.do"
 * redirect="true"
 * @struts.action-forward name="inputForward"
 * path=".core.contentLocale.list"
 * @struts.action-forward name="unsatisfiable"
 * path="/core/contentLocale/list.do"
 */
public final class DeleteContentLocaleAction extends BaseAction {
	/**
	 * @param mapping  The ActionMapping used to select this instance
	 * @param form     The optional ActionForm bean for this request (if any)
	 * @param request  The HTTP request we are proceeding
	 * @param response The HTTP response we are creating
	 * @return an ActionForward instance describing where and how
	 *         control should be forwarded, or null if response
	 *         has already been completed
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
	                             HttpServletRequest request, HttpServletResponse response) throws Exception {


		ContentLocaleForm contentLocaleForm = (ContentLocaleForm) form;
		String contentLocaleIdentifier = null;
		if ( !GenericValidator.isBlankOrNull(contentLocaleForm.getIdentifier()) ) {
			contentLocaleIdentifier = contentLocaleForm.getIdentifier();
		} else {
			if ( log.isWarnEnabled() ) {
				log.warn("Missing content locale identifier. Returning to list...");
			}
			return mapping.findForward("listContentLocales");
		}

		try {
			LocaleUtil.getInstance(servlet.getServletContext()).deleteContentLocale(contentLocaleIdentifier);

			// drop resource bundle for deleted locale
//			ApplicationResources.getInstance(servlet.getServletContext()).dropBundle(contentLocaleIdentifier);

			//remove from search index
			SearchManager searchManager = SearchManager.getInstance(servlet.getServletContext());
			searchManager.unIndexByLocale(contentLocaleIdentifier, request);

			//remove from cache
			CacheUtil cacheUtil = CacheUtil.getInstance(request);
			cacheUtil.flushAllCache();

		} catch ( BeanNotFoundException e ) {
			// content locale not found. it might be deleted by someone else
			ActionMessages errors = new ActionMessages();
			errors.add("contentLocaleNotFound", new ActionMessage("core.contentLocale.errors.notFound"));
			saveErrors(request, errors);
			return mapping.findForward("listContentLocales");
		} catch ( DeleteException e ) {
			saveToken(request);
			ActionMessages errors = new ActionMessages();
			errors.add("contentLocaleCannotDelete", new ActionMessage("core.contentLocale.errors.cannotDelete"));
			saveErrors(request, errors);
			return mapping.findForward("listContentLocales");
		}

		return mapping.findForward("listContentLocales");
	}
}